High Brightness Electron Beam Diagnostics and their ... - CASA
High Brightness Electron Beam Diagnostics and their ... - CASA
High Brightness Electron Beam Diagnostics and their ... - CASA
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150<br />
100<br />
.<br />
50<br />
Figure5.30:ComparisonofthelongitudinalphasespaceattheCTRfoil(greydots)<strong>and</strong>the<br />
.<br />
0<br />
bunchlengthattheCTRfoilissmaller(dashedlines)thanatthechicanemid-point(solidlines). decompressormid-point(blackdots).Theenergydistributionareexactlythesamewhilethe<br />
. .<br />
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-50<br />
-100<br />
-150<br />
-4 -2 0 2 4<br />
(RF-deg)<br />
E (keV)<br />
10<br />
10<br />
0 200 400 600 800 1000<br />
Bunch Length σz (µm)<br />
−2<br />
10 −1<br />
1<br />
Figure5.31:rmsenergyspreadinducedbywakeeldsgeneratedasa60pCbunchofelectrontravels throughthevacuumchambertransitionattheundulatorlocation.<br />
10<br />
Energy Spread ∆E (keV)